US Bridges

I 86 Ebl over Sunbeam Road Gs

Good

Power County, Idaho · At American Falls · Structure no. 000000000010765

Built
1959
66 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
108 ft
3 main spans
Daily traffic
4,350
2023 count
Owner
State
State Highway Agency

About this bridge

I 86 Ebl over Sunbeam Road Gs is a concrete stringer/multi-beam or girder carrying I 86 Ebl over Sunbeam Road Gs in Power County, Idaho. It was built in 1959, so it is 66 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,350 vehicles a day, roughly 19% of them trucks, projected to reach 6,525 by 2042. The structure is 108 ft (32.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 86 Ebl
CrossesSunbeam Road Gs
LocationAt American Falls
RouteInterstate 86
StateIdaho
Coordinates42.77654, -112.84891
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,350 (2023)
Projected traffic6,525 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 86 Ebl over Sunbeam Road Gs built?

It was built in 1959, making it 66 years old in 2025.

What condition is I 86 Ebl over Sunbeam Road Gs in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does I 86 Ebl over Sunbeam Road Gs carry?

About 4,350 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 86 Ebl over Sunbeam Road Gs?

The structure is 108 ft (32.9 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns I 86 Ebl over Sunbeam Road Gs?

It is owned by the State Highway Agency.